502 



Cyanius monodontis, 70 ; nodosus, 69. 

 Cyarea arctica, 52. 

 Cyathella lutea, 328. 

 Cyclopterus, 52 ; lumpus, 36. 

 Cyclostomata (Arctic), 239. 

 Cynthiidae, 330. 



Dactylometra quinquecirra, 52. 



Daphnella, subg. Pleurotoma, 470. 



Daphria, Paul Bert on, 376. 



Day, Francis, observ. on Brit, fishes, 

 310 ; on instincts and emotions in fish, 

 31 ; on the Hebridal Argentine, 78 ; 

 on the specific identity of Scomber 

 punctatus, Couch, with S. scomber, 

 Linn., 146. 



Decacnenius, 189. 



Decameros, 189, 197, 199, 213. 



Decapoda (Greenland), 60. 



Defrancia, 396, 450 ; as subg. Pleuro- 

 toma, 457 ; magellanica, 448 ; super- 

 costata, 449. 



Descript. of a new genus of Moth of 

 the family Liparidse from Madagas- 

 car, by A. G. Butler, 84. 



Descript. of new species of Durgella, 

 291. 



Descript. cat. of Cellepora of ' Chal- 

 lenger ' Exped., by G-. Busk, 341. 



Desmacidon anceps, 478 ; columella?, 

 478 ; dianse, 478 ; emphysema, 478 ; 

 physa, 478. 



Dewitz's exp. on ants, 179. 



Diadema, 320. 



Diastoporidse (Arctic), 239. 



Diastylis Ratbkii, 64. 



Dictyocylindrus manaarensis, 482 ; his- 

 pidus, 493. 



Dinematura ferox, 71. 



Diodon, 44. 



Diptera, segments of connate thorax of, 

 9, 10, 16, 19, 20. 



Dirrhopa]uni,Carteri, 492 ; clopetarium, 



479, 480, 482, 486, 487 ; coriaceum, 

 481, 485 ; descrip. sp. of, 476 ; exist. 

 of, in fossil state, 486 ; gymnazon, 

 478, 480, 483, 485; hystrix, 492; 

 introd. remarks on, 476 ; manaarense, 



480, 482, 485; microcionides, 476, 

 482 ; novizelanicum, 480, 483 ; ple- 

 num, 480 ; system, position of, 485. 



Discopora sincera, 238. 



Dobson, G-. E., Notes on Aplysia dacty- 



lomela, 159. 

 Dochmius Sangeri, 333. 

 Doryrhamphus, 41. 



Dril'lia, subg. Pleurotoma, 388, 409, 413. 

 Duncan, Prof. P. M., descrip. of two 



new sp. of Dirrhopalurn, 476, 488 ; 



on a Lithistid Sponge and form of 



Aphrocallistes from coast of Spain, 



320. 

 Duncan, Prof. P. M., on a synthetic type 



of Ophiurid from the N. Atlantic, 73. 

 , on an unusual form of Hemipho- 



lis, 138. 

 Dunkeria falcifera, 250. 

 Durgella, Lieut.-Col. H. H. Godwin- 

 Austen on, 291. 

 , additional and principal charact. 



of, 292 ; assamica, 294, 296, anat. of, 



295 ; bilineata, 292 ; burnianica, 296; 



levicula, 291, 293, anat. of, 293; 



mucosa, 291, 296; seposita, 291, 



296; shisha,296. 

 Dyticus marginalis, 15, 18. 



Echeneis, 51. 



Echinella, 87, 95 ; tectiformis, 94. 



Echinocidaris, 128, 320. 



Echinodictyum bilamellatum, 493, 495 ; 

 nervosum, 496. 



Echinometra, 128; retention sur-anal 

 plate of, 318 ; viridis, 318. 



Echinonemata of Carter, 493. 



Echinus melo, 126, 127. 



Edward, Thos., on occurrence of Nor- 

 wegian Argentina silus in Moray 

 Eirth, 334. 



Electric Eel, 46. 



Elephants, the parasites of, by T. S. 

 Cobbold, 333. 



Emotions and instincts in fish, by F. 

 Day, 31. 



Encrinus, 212, 215 ; Cassianus, 211 ; 

 liliiformis, 211. 



Engraulis encrasicholus, 84. 



Epeira similis, 157. 



Eschara elegantula, 235, 236, 238 ; per- 

 pusilla, 236 ; Sarsii, 237. 



Escharella porifera, 238. 



Escharidse (Arctic), 234. 



Esox lucius, 41. 



Esperia, 150. 



Etheostoma blennoides, 51. 



Etroplus maculatus, 35. 



Eusirus cuspidatus, 69. 



Ewart, Prof. J. C, on nostrils of Cor- 

 morant, 455. 



Exoccetus, 48. 



Extinct Land-Tortoises of Mauritius 

 and Rodriguez, A. C. Haddon on, 58. 



Farrella, 240. 



Fasciola Jacksoni, 333. 



Eeilden, Capt. H. W., Polyzoa coll. by 



in N.-Polar Exped., 231. 

 Fenella elongata, 249, 252. 

 Eilaria Smithii, 333. 

 Fish, instinct and emotions in, by F. 



